Bob Rock is president and CEO of MLR Holdings LLC, an investment company with holdings in publishing and information businesses, including the technology industry analyst firms The 451 Group and Tier1 Research and the Uptime Institute, a data center, consulting, research and education firm. MLR also owns and manages companies that publish journals, newspapers, online newsletters and databases, including Family Business and Directors & Boards. From 1989 to 2001, Dr. Rock was chairman and majority owner of Montgomery Newspapers, which published 17 weekly papers in the Philadelphia suburbs, including Main Line Life, The Ambler Gazette and The Times Chronicle, as well as a number of specialty publications, including Philadelphia Golfer, Parents Express, Art Matters, and Bucks County Town & Country Living, In June 2001, Montgomery Newspapers was sold to the Journal Register Company. From 1991 to 1995, Dr. Rock was also chairman and majority owner of IDD Enterprises, which published magazines and newsletters and provided online data for financial executives. IDD's publications included Mergers & Acquisitions, Investment Dealers' Digest and The LPO Reporter. Its databases included Tradeline and Gari Software. In 1994 IDD's M&A database was sold to Goldman, Sachs, and the remainder of the company was sold to Dow Jones & Company in 1995. Prior to joining MLR in 1998, Dr. Rock was the chairman and chief executive officer of the Hay Group, a management consulting firm with more than 90 offices in 27 countries specializing in compensation, benefits and human resources consulting. He received his B.A. (magna cum laude), MBA and DBA degrees from Harvard University. His book publications include The Chief Executive Officer (Heath 1977), Corporate Restructuring (McGraw-Hill 1991), and The Mergers & Acquisitions Handbook (McGraw-Hill 1993). Bob resides in Gladwyne, PA, with his wife, Caro, who is publisher of Family Business Magazine. They have two grown sons.